Oct 16, 2025 · Since our founding in 1975, SJE has grown into a leading controls technology company throughout the United States and Canada, as well as global markets. Our diverse …

Dec 11, 2025 · SJE Rhombus has been a global leader in the water & wastewater industry for over 50 years. We create products for a range of applications, including residential, …

SJE is a Top Workplace award winner. Learn what makes SJE a great place to work & how to find open job positions.

Today, SJE engineers and manufactures high-quality products and control solutions that serve customers in the water, wastewater, energy, and industrial OEM markets. The SJE products …

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We’re the most trusted name in control solutions for residential, commercial, municipal and industrial applications. SJE was founded in 1975 in Minnesota, where our headquarters still …

Founded in 1975, SJE has built a reputation for delivering reliable, high-performance control solutions through the seamless integration of engineering and manufacturing.

Jul 1, 2025 · With more than 800 employees, 65 design and utility patents, 15 locations in three countries, and nine product brands, SJE continues to lead with innovation and quality. Its …

SJE Rhombus acquires MCC Control Systems in Vacaville, CA – a systems integrator and automation solutions provider for municipal water, wastewater and industrial applications – …

Since 1975, SJE Rhombus has grown to become a leading manufacturer of reliable, trouble-free liquid level controls for the water, wastewater, and sewage industries throughout the United …